Mplus VERSION 7
MUTHEN & MUTHEN
09/22/2012  10:56 PM

INPUT INSTRUCTIONS

  TITLE:	this is an example of a linear growth
  	model for a count outcome using a zero-
  	inflated Poisson model
  DATA:	FILE IS ex6.7.dat;
  VARIABLE:	NAMES ARE u11-u14;
  	COUNT ARE u11-u14 (i);
  ANALYSIS:	INTEGRATION = 7;
  MODEL:	i s | u11@0 u12@1 u13@2 u14@3;
  	ii si | u11#1@0 u12#1@1 u13#1@2 u14#1@3;
  	s@0 si@0;
  OUTPUT:	TECH1 TECH8;



*** WARNING in MODEL command
  All continuous latent variable covariances involving S have been fixed to 0
  because the variance of S is fixed at 0.
*** WARNING in MODEL command
  All continuous latent variable covariances involving SI have been fixed to 0
  because the variance of SI is fixed at 0.
   2 WARNING(S) FOUND IN THE INPUT INSTRUCTIONS



this is an example of a linear growth
model for a count outcome using a zero-
inflated Poisson model

SUMMARY OF ANALYSIS

Number of groups                                                 1
Number of observations                                         500

Number of dependent variables                                    4
Number of independent variables                                  0
Number of continuous latent variables                            4

Observed dependent variables

  Count
   U11         U12         U13         U14

Continuous latent variables
   I           S           II          SI


Estimator                                                      MLR
Information matrix                                        OBSERVED
Optimization Specifications for the Quasi-Newton Algorithm for
Continuous Outcomes
  Maximum number of iterations                                 100
  Convergence criterion                                  0.100D-05
Optimization Specifications for the EM Algorithm
  Maximum number of iterations                                 500
  Convergence criteria
    Loglikelihood change                                 0.100D-02
    Relative loglikelihood change                        0.100D-05
    Derivative                                           0.100D-02
Optimization Specifications for the M step of the EM Algorithm for
Categorical Latent variables
  Number of M step iterations                                    1
  M step convergence criterion                           0.100D-02
  Basis for M step termination                           ITERATION
Optimization Specifications for the M step of the EM Algorithm for
Censored, Binary or Ordered Categorical (Ordinal), Unordered
Categorical (Nominal) and Count Outcomes
  Number of M step iterations                                    1
  M step convergence criterion                           0.100D-02
  Basis for M step termination                           ITERATION
  Maximum value for logit thresholds                            15
  Minimum value for logit thresholds                           -15
  Minimum expected cell size for chi-square              0.100D-01
Optimization algorithm                                         EMA
Integration Specifications
  Type                                                    STANDARD
  Number of integration points                                   7
  Dimensions of numerical integration                            2
  Adaptive quadrature                                           ON
Cholesky                                                        ON

Input data file(s)
  ex6.7.dat
Input data format  FREE


COUNT PROPORTION OF ZERO, MINIMUM AND MAXIMUM VALUES

      U11         0.584         0        10
      U12         0.542         0        13
      U13         0.532         0         9
      U14         0.414         0        11



THE MODEL ESTIMATION TERMINATED NORMALLY



MODEL FIT INFORMATION

Number of Free Parameters                        7

Loglikelihood

          H0 Value                       -2778.140
          H0 Scaling Correction Factor      0.9932
            for MLR

Information Criteria

          Akaike (AIC)                    5570.280
          Bayesian (BIC)                  5599.783
          Sample-Size Adjusted BIC        5577.564
            (n* = (n + 2) / 24)

Chi-Square Test of Model Fit for the Count Outcomes**

          Pearson Chi-Square

          Value                           1914.169
          Degrees of Freedom                  9973
          P-Value                           1.0000

          Likelihood Ratio Chi-Square

          Value                            652.658
          Degrees of Freedom                  9973
          P-Value                           1.0000

** Of the 10000 cells in the latent class indicator table, 19
   were deleted in the calculation of chi-square due to extreme values.

** Large values were truncated at 9.



MODEL RESULTS

                                                    Two-Tailed
                    Estimate       S.E.  Est./S.E.    P-Value

 I        |
    U11                1.000      0.000    999.000    999.000
    U12                1.000      0.000    999.000    999.000
    U13                1.000      0.000    999.000    999.000
    U14                1.000      0.000    999.000    999.000

 S        |
    U11                0.000      0.000    999.000    999.000
    U12                1.000      0.000    999.000    999.000
    U13                2.000      0.000    999.000    999.000
    U14                3.000      0.000    999.000    999.000

 II       |
    U11#1              1.000      0.000    999.000    999.000
    U12#1              1.000      0.000    999.000    999.000
    U13#1              1.000      0.000    999.000    999.000
    U14#1              1.000      0.000    999.000    999.000

 SI       |
    U11#1              0.000      0.000    999.000    999.000
    U12#1              1.000      0.000    999.000    999.000
    U13#1              2.000      0.000    999.000    999.000
    U14#1              3.000      0.000    999.000    999.000

 II       WITH
    I                 -0.203      0.117     -1.732      0.083

 Means
    I                  0.346      0.068      5.049      0.000
    S                 -0.048      0.024     -2.009      0.045
    II                 0.000      0.000    999.000    999.000
    SI                -0.484      0.093     -5.182      0.000

 Intercepts
    U11#1             -0.162      0.149     -1.088      0.277
    U11                0.000      0.000    999.000    999.000
    U12#1             -0.162      0.149     -1.088      0.277
    U12                0.000      0.000    999.000    999.000
    U13#1             -0.162      0.149     -1.088      0.277
    U13                0.000      0.000    999.000    999.000
    U14#1             -0.162      0.149     -1.088      0.277
    U14                0.000      0.000    999.000    999.000

 Variances
    I                  0.386      0.060      6.487      0.000
    S                  0.000      0.000    999.000    999.000
    II                 1.189      0.535      2.222      0.026
    SI                 0.000      0.000    999.000    999.000


QUALITY OF NUMERICAL RESULTS

     Condition Number for the Information Matrix              0.251E-02
       (ratio of smallest to largest eigenvalue)


TECHNICAL 1 OUTPUT


     PARAMETER SPECIFICATION


           NU
              U11#1         U11           U12#1         U12           U13#1
              ________      ________      ________      ________      ________
 1                  1             0             1             0             1


           NU
              U13           U14#1         U14
              ________      ________      ________
 1                  0             1             0


           LAMBDA
              I             S             II            SI
              ________      ________      ________      ________
 U11#1              0             0             0             0
 U11                0             0             0             0
 U12#1              0             0             0             0
 U12                0             0             0             0
 U13#1              0             0             0             0
 U13                0             0             0             0
 U14#1              0             0             0             0
 U14                0             0             0             0


           THETA
              U11#1         U11           U12#1         U12           U13#1
              ________      ________      ________      ________      ________
 U11#1              0
 U11                0             0
 U12#1              0             0             0
 U12                0             0             0             0
 U13#1              0             0             0             0             0
 U13                0             0             0             0             0
 U14#1              0             0             0             0             0
 U14                0             0             0             0             0


           THETA
              U13           U14#1         U14
              ________      ________      ________
 U13                0
 U14#1              0             0
 U14                0             0             0


           ALPHA
              I             S             II            SI
              ________      ________      ________      ________
 1                  2             3             0             4


           BETA
              I             S             II            SI
              ________      ________      ________      ________
 I                  0             0             0             0
 S                  0             0             0             0
 II                 0             0             0             0
 SI                 0             0             0             0


           PSI
              I             S             II            SI
              ________      ________      ________      ________
 I                  5
 S                  0             0
 II                 6             0             7
 SI                 0             0             0             0


     STARTING VALUES


           NU
              U11#1         U11           U12#1         U12           U13#1
              ________      ________      ________      ________      ________
 1             -0.630         0.000        -0.630         0.000        -0.630


           NU
              U13           U14#1         U14
              ________      ________      ________
 1              0.000        -0.630         0.000


           LAMBDA
              I             S             II            SI
              ________      ________      ________      ________
 U11#1          0.000         0.000         1.000         0.000
 U11            1.000         0.000         0.000         0.000
 U12#1          0.000         0.000         1.000         1.000
 U12            1.000         1.000         0.000         0.000
 U13#1          0.000         0.000         1.000         2.000
 U13            1.000         2.000         0.000         0.000
 U14#1          0.000         0.000         1.000         3.000
 U14            1.000         3.000         0.000         0.000


           THETA
              U11#1         U11           U12#1         U12           U13#1
              ________      ________      ________      ________      ________
 U11#1          0.000
 U11            0.000         0.000
 U12#1          0.000         0.000         0.000
 U12            0.000         0.000         0.000         0.000
 U13#1          0.000         0.000         0.000         0.000         0.000
 U13            0.000         0.000         0.000         0.000         0.000
 U14#1          0.000         0.000         0.000         0.000         0.000
 U14            0.000         0.000         0.000         0.000         0.000


           THETA
              U13           U14#1         U14
              ________      ________      ________
 U13            0.000
 U14#1          0.000         0.000
 U14            0.000         0.000         0.000


           ALPHA
              I             S             II            SI
              ________      ________      ________      ________
 1              0.986         0.081         0.000         0.000


           BETA
              I             S             II            SI
              ________      ________      ________      ________
 I              0.000         0.000         0.000         0.000
 S              0.000         0.000         0.000         0.000
 II             0.000         0.000         0.000         0.000
 SI             0.000         0.000         0.000         0.000


           PSI
              I             S             II            SI
              ________      ________      ________      ________
 I              1.951
 S              0.000         0.000
 II             0.000         0.000         0.050
 SI             0.000         0.000         0.000         0.000


TECHNICAL 8 OUTPUT


   E STEP  ITER  LOGLIKELIHOOD    ABS CHANGE   REL CHANGE  ALGORITHM
              1 -0.30491974D+04    0.0000000    0.0000000  EM
              2 -0.29424585D+04  106.7389453    0.0350056  FS
              3 -0.28873233D+04   55.1352369    0.0187378  EM
              4 -0.28574927D+04   29.8305516    0.0103316  EM
              5 -0.28392332D+04   18.2595556    0.0063901  EM
              6 -0.28275489D+04   11.6842524    0.0041153  EM
              7 -0.28199187D+04    7.6301634    0.0026985  EM
              8 -0.28146909D+04    5.2278641    0.0018539  EM
              9 -0.28108412D+04    3.8496848    0.0013677  EM
             10 -0.28077959D+04    3.0453098    0.0010834  EM
             11 -0.28052557D+04    2.5401432    0.0009047  EM
             12 -0.28030672D+04    2.1885633    0.0007802  EM
             13 -0.28011511D+04    1.9160609    0.0006836  EM
             14 -0.27994660D+04    1.6851620    0.0006016  EM
             15 -0.27979855D+04    1.4804569    0.0005288  EM
             16 -0.27966849D+04    1.3005442    0.0004648  EM
             17 -0.27955342D+04    1.1507847    0.0004115  EM
             18 -0.27944977D+04    1.0364707    0.0003708  EM
             19 -0.27935393D+04    0.9583622    0.0003429  EM
             20 -0.27926277D+04    0.9116193    0.0003263  EM
             21 -0.27917405D+04    0.8872268    0.0003177  EM
             22 -0.27908662D+04    0.8743260    0.0003132  EM
             23 -0.27900036D+04    0.8625323    0.0003091  EM
             24 -0.27891596D+04    0.8440314    0.0003025  EM
             25 -0.27883445D+04    0.8151326    0.0002923  EM
             26 -0.27875679D+04    0.7765665    0.0002785  EM
             27 -0.27868357D+04    0.7321785    0.0002627  EM
             28 -0.27861490D+04    0.6866749    0.0002464  EM
             29 -0.27855054D+04    0.6436385    0.0002310  EM
             30 -0.27849008D+04    0.6046296    0.0002171  EM
             31 -0.27843314D+04    0.5693968    0.0002045  EM
             32 -0.27837947D+04    0.5367113    0.0001928  EM
             33 -0.27832894D+04    0.5052560    0.0001815  EM
             34 -0.27828152D+04    0.4741911    0.0001704  EM
             35 -0.27823719D+04    0.4432973    0.0001593  EM
             36 -0.27819591D+04    0.4128158    0.0001484  EM
             37 -0.27815759D+04    0.3831750    0.0001377  EM
             38 -0.27812212D+04    0.3547555    0.0001275  EM
             39 -0.27808934D+04    0.3277626    0.0001178  EM
             40 -0.27805912D+04    0.3022044    0.0001087  EM
             41 -0.27803133D+04    0.2779420    0.0001000  EM
             42 -0.27800585D+04    0.2547724    0.0000916  EM
             43 -0.27798260D+04    0.2325086    0.0000836  EM
             44 -0.27796149D+04    0.2110370    0.0000759  EM
             45 -0.27783379D+04    1.2770393    0.0004594  FS
             46 -0.27781471D+04    0.1908071    0.0000687  FS
             47 -0.27781386D+04    0.0085258    0.0000031  FS
             48 -0.27781402D+04   -0.0015803   -0.0000006  EM


     Beginning Time:  22:56:57
        Ending Time:  22:56:58
       Elapsed Time:  00:00:01



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